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-rw-r--r--vala/sha3sum.vala212
1 files changed, 123 insertions, 89 deletions
diff --git a/vala/sha3sum.vala b/vala/sha3sum.vala
index 4cd84f5..8093dd1 100644
--- a/vala/sha3sum.vala
+++ b/vala/sha3sum.vala
@@ -37,6 +37,26 @@ static void arraycopy(int8[] src, int soff, int8[] dest, int doff, int length)
dest[doff + i] = src[soff + i];
}
+
+/**
+ * Copy an array segment into an array
+ *
+ * @param src The source array
+ * @param soff The source array offset
+ * @param dest The destination array
+ * @param doff The destination array offset
+ * @param length The number of elements to copy
+ */
+static void arraycopy_string(string[] src, int soff, string[] dest, int doff, int length)
+{
+ if (soff + length < doff)
+ for (int i = 0; i < length; i++)
+ dest[doff + i] = src[soff + i];
+ else
+ for (int i = length - 1; i >= 0; i--)
+ dest[doff + i] = src[soff + i];
+}
+
/**
* SHA-3/Keccak hash algorithm implementation
@@ -599,15 +619,16 @@ class SHA3 : Object
*/
static int main(string[] cmdargs)
{
+ string[] HEXADECA = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"};
+
string cmd = cmdargs[0];
string[] argv = new string[cmdargs.length - 1];
- arraycopy(cmdargs, 1, argv, 0, argv.length);
+ arraycopy_string(cmdargs, 1, argv, 0, argv.length);
- if (cmd.indexOf('/') >= 0)
- cmd = cmd.substring(cmd.lastIndexOf('/') + 1);
- if (cmd.endsWith(".jar"))
- cmd = cmd.substring(0, cmd.length() - 4);
- cmd = cmd.intern();
+ if (cmd.contains("/"))
+ cmd = cmd.substring(cmd.last_index_of("/") + 1);
+ if (cmd.has_suffix(".jar"))
+ cmd = cmd.substring(0, cmd.length - 4);
int _o, o = _o = 512; /* --outputsize */
if (cmd == "sha3-224sum") o = _o = 224;
@@ -627,62 +648,60 @@ static int main(string[] cmdargs)
string[] linger = null;
string[] args = new string[argv.length + 1];
- arraycopy(argv, 0, args, 0, argv.length);
+ arraycopy_string(argv, 0, args, 0, argv.length);
for (int a = 0, an = args.length; a < an; a++)
{ string arg = args[a];
- arg = arg == null ? null : arg.intern();
if (linger != null)
{
- linger[0] = linger[0].intern();
if ((linger[0] == "-h") || (linger[0] == "--help"))
{
- printf("\n");
- printf("SHA-3/Keccak checksum calculator\n");
- printf("\n");
- printf("USAGE: sha3sum [option...] < file\n");
- printf(" sha3sum [option...] file...\n");
- printf("\n");
- printf("\n");
- printf("OPTIONS:\n");
- printf(" -r BITRATE\n");
- printf(" --bitrate The bitrate to use for SHA-3. (default: " + _r + ")\n");
- printf(" \n");
- printf(" -c CAPACITY\n");
- printf(" --capacity The capacity to use for SHA-3. (default: " + _c + ")\n");
- printf(" \n");
- printf(" -w WORDSIZE\n");
- printf(" --wordsize The word size to use for SHA-3. (default: " + _w + ")\n");
- printf(" \n");
- printf(" -o OUTPUTSIZE\n");
- printf(" --outputsize The output size to use for SHA-3. (default: " + _o + ")\n");
- printf(" \n");
- printf(" -s STATESIZE\n");
- printf(" --statesize The state size to use for SHA-3. (default: " + _s + ")\n");
- printf(" \n");
- printf(" -i ITERATIONS\n");
- printf(" --iterations The number of hash iterations to run. (default: " + _i + ")\n");
- printf(" \n");
- printf(" -b\n");
- printf(" --binary Print the checksum in binary, rather than hexadecimal.\n");
- printf("\n");
- printf("\n");
- printf("COPYRIGHT:\n");
- printf("\n");
- printf("Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)\n");
- printf("\n");
- printf("This program is free software: you can redistribute it and/or modify\n");
- printf("it under the terms of the GNU General Public License as published by\n");
- printf("the Free Software Foundation, either version 3 of the License, or\n");
- printf("(at your option) any later version.\n");
- printf("\n");
- printf("This program is distributed in the hope that it will be useful,\n");
- printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
- printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
- printf("GNU General Public License for more details.\n");
- printf("\n");
- printf("You should have received a copy of the GNU General Public License\n");
- printf("along with this program. If not, see <http://www.gnu.org/licenses/>.\n");
- printf("\n");
+ stdout.printf("\n");
+ stdout.printf("SHA-3/Keccak checksum calculator\n");
+ stdout.printf("\n");
+ stdout.printf("USAGE: sha3sum [option...] < file\n");
+ stdout.printf(" sha3sum [option...] file...\n");
+ stdout.printf("\n");
+ stdout.printf("\n");
+ stdout.printf("OPTIONS:\n");
+ stdout.printf(" -r BITRATE\n");
+ stdout.printf(" --bitrate The bitrate to use for SHA-3. (default: %i)\n", _r);
+ stdout.printf(" \n");
+ stdout.printf(" -c CAPACITY\n");
+ stdout.printf(" --capacity The capacity to use for SHA-3. (default: %i)\n", _c);
+ stdout.printf(" \n");
+ stdout.printf(" -w WORDSIZE\n");
+ stdout.printf(" --wordsize The word size to use for SHA-3. (default: %i)\n", _w);
+ stdout.printf(" \n");
+ stdout.printf(" -o OUTPUTSIZE\n");
+ stdout.printf(" --outputsize The output size to use for SHA-3. (default: %i)\n", _o);
+ stdout.printf(" \n");
+ stdout.printf(" -s STATESIZE\n");
+ stdout.printf(" --statesize The state size to use for SHA-3. (default: %i)\n", _s);
+ stdout.printf(" \n");
+ stdout.printf(" -i ITERATIONS\n");
+ stdout.printf(" --iterations The number of hash iterations to run. (default: %i)\n", _i);
+ stdout.printf(" \n");
+ stdout.printf(" -b\n");
+ stdout.printf(" --binary Print the checksum in binary, rather than hexadecimal.\n");
+ stdout.printf("\n");
+ stdout.printf("\n");
+ stdout.printf("COPYRIGHT:\n");
+ stdout.printf("\n");
+ stdout.printf("Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)\n");
+ stdout.printf("\n");
+ stdout.printf("This program is free software: you can redistribute it and/or modify\n");
+ stdout.printf("it under the terms of the GNU General Public License as published by\n");
+ stdout.printf("the Free Software Foundation, either version 3 of the License, or\n");
+ stdout.printf("(at your option) any later version.\n");
+ stdout.printf("\n");
+ stdout.printf("This program is distributed in the hope that it will be useful,\n");
+ stdout.printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
+ stdout.printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
+ stdout.printf("GNU General Public License for more details.\n");
+ stdout.printf("\n");
+ stdout.printf("You should have received a copy of the GNU General Public License\n");
+ stdout.printf("along with this program. If not, see <http://www.gnu.org/licenses/>.\n");
+ stdout.printf("\n");
return 2;
}
else
@@ -693,20 +712,20 @@ static int main(string[] cmdargs)
arg = null;
}
if ((linger[0] == "-r") || (linger[0] == "--bitrate"))
- o = (s - (r = Integer.parseInt(linger[1]))) >> 1;
+ o = (s - (r = int.parse(linger[1]))) >> 1;
else if ((linger[0] == "-c") || (linger[0] == "--capacity"))
- r = s - (c = Integer.parseInt(linger[1]));
+ r = s - (c = int.parse(linger[1]));
else if ((linger[0] == "-w") || (linger[0] == "--wordsize"))
- s = (w = Integer.parseInt(linger[1])) * 25;
+ s = (w = int.parse(linger[1])) * 25;
else if ((linger[0] == "-o") || (linger[0] == "--outputsize"))
- r = s - ((o = Integer.parseInt(linger[1])) << 1);
+ r = s - ((o = int.parse(linger[1])) << 1);
else if ((linger[0] == "-s") || (linger[0] == "--statesize"))
- r = (s = Integer.parseInt(linger[1])) - (o << 1);
+ r = (s = int.parse(linger[1])) - (o << 1);
else if ((linger[0] == "-i") || (linger[0] == "--iterations"))
- i = Integer.parseInt(linger[1]);
+ i = int.parse(linger[1]);
else
{
- printf("%s: unrecognised option: %s\n", cmd, linger[0]);
+ stdout.printf("%s: unrecognised option: %s\n", cmd, linger[0]);
return 1;
}
}
@@ -722,26 +741,26 @@ static int main(string[] cmdargs)
dashed = true;
else if (arg == "-")
files[fptr++] = null;
- else if (arg.startsWith("--"))
- if (arg.indexOf('=') >= 0)
- linger = new string[] { arg.substring(0, arg.indexOf('=')), arg.substring(arg.indexOf('=') + 1) };
+ else if (arg.has_prefix("--"))
+ if (arg.contains("="))
+ linger = new string[] { arg.substring(0, arg.index_of("=")), arg.substring(arg.index_of("=") + 1) };
else
if (arg == "--binary")
binary = true;
else
linger = new string[] { arg, null };
- else if (arg.startsWith("-"))
+ else if (arg.has_prefix("-"))
{
arg = arg.substring(1);
- if (arg.charAt(0) == 'b')
+ if (arg[0] == 'b')
{
binary = true;
arg = arg.substring(1);
}
- else if (arg.length() == 1)
+ else if (arg.length == 1)
linger = new string[] { "-" + arg, null };
else
- linger = new string[] { "-" + arg.charAt(0), arg.substring(1) };
+ linger = new string[] { "-" + arg[0].to_string(), arg.substring(1) };
}
else
files[fptr++] = arg;
@@ -751,8 +770,8 @@ static int main(string[] cmdargs)
files[fptr++] = null;
if (i < 1)
{
- System.err.println(cmd + ": sorry, I will only do at least one iteration!");
- System.exit(3);
+ stderr.printf("%s: sorry, I will only do at least one iteration!\n", cmd);
+ return 3;
}
int8[] stdin = null;
@@ -766,10 +785,16 @@ static int main(string[] cmdargs)
}
string rc = "";
string fn = filename == null ? "/dev/stdin" : filename;
- FileInputStream file = null;
+ FileStream file = null;
try
{
- file = new FileInputStream(fn);
+ file = FileStream.open(fn, "r");
+ if (file == null)
+ {
+ stderr.printf("%s: cannot read file: %s\n", cmd, filename);
+ fail = true;
+ continue;
+ }
SHA3.initialise(r, c, o);
int blksize = 4096; /** XXX os.stat(os.path.realpath(fn)).st_size; **/
int8[] chunk = new int8[blksize];
@@ -780,44 +805,53 @@ static int main(string[] cmdargs)
break;
SHA3.update(chunk, read);
}
- int8[] bs = SHA3.digest();
+ int8[] bs = SHA3.digest(null, 0);
for (int _ = 1; _ < i; _++)
{
SHA3.initialise(r, c, o);
- bs = SHA3.digest(bs);
+ bs = SHA3.digest(bs, bs.length);
}
if (binary)
{ if (filename == null)
stdin = bs;
System.out.write(bs);
- System.out.flush();
+ stdout.flush();
}
else
{ for (int b = 0, bn = bs.length; b < bn; b++)
- { rc += "0123456789ABCDEF".charAt((bs[b] >> 4) & 15);
- rc += "0123456789ABCDEF".charAt(bs[b] & 15);
+ {
+ rc += HEXADECA[(bs[b] >> 4) & 15];
+ rc += HEXADECA[bs[b] & 15];
}
rc += " " + (filename == null ? "-" : filename) + "\n";
if (filename == null)
stdin = rc.getBytes("UTF-8");
- System.out.print(rc);
- System.out.flush();
+ stdout.printf("%s", rc);
+ stdout.flush();
}
}
catch
- { System.err.println(cmd + ": cannot read file: " + filename);
+ {
+ stderr.printf("%s: cannot read file: %s\n", cmd, filename);
fail = true;
}
finally
- { if (file != null)
+ {
+ if (file != null)
+ {
try
- { file.close();
- }
- catch
- { //ignore
- } } }
+ {
+ file.close();
+ }
+ catch
+ {
+ /* ignore */
+ }
+ }
+ }
+ }
- System.out.flush();
+ stdout.flush();
if (fail)
return 5;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-09-21 03:17:38 +0000